<template>
<div style="height:100%">
  <div class="top_content">
    <img class="toplogoImg" src="@/assets/images/logintop_icon.png"/>
    <div class="top_title">智能运维监控平台</div>
  </div>
  <div class="login">
    <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form">
         <img style="width:35px;height:28px;position: absolute;left: 18%;top: 8%;" src="@/assets/images/formlogo.png"/>
         <h3 class="title">智能运维监控平台</h3>
      
      <el-form-item prop="username">
        <el-input
          v-model="loginForm.username"
          type="text"
          auto-complete="off"
          placeholder="账号"
        >
          <svg-icon slot="prefix" icon-class="user" class="el-input__icon input-icon" />
        </el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input
          v-model="loginForm.password"
          type="password"
          auto-complete="off"
          placeholder="密码"
          @keyup.enter.native="handleLogin"
        >
          <svg-icon slot="prefix" icon-class="password" class="el-input__icon input-icon" />
        </el-input>
      </el-form-item>
      <el-form-item prop="captcha" v-if="captchaEnabled">
        <el-input
          v-model="loginForm.captcha"
          auto-complete="off"
          placeholder="验证码"
          style="width: 63%"
          @keyup.enter.native="handleLogin"
        >
          <svg-icon slot="prefix" icon-class="validCode" class="el-input__icon input-icon" />
        </el-input>
        <div class="login-code">
          <img :src="codeUrl" @click="getCode" class="login-code-img"/>
        </div>
      </el-form-item>
    
      <el-form-item style="width:100%;">
        <el-button
         class="btn"
          :loading="loading"
          size="medium"
          type="primary"
          style="width:100%;"
          @click.native.prevent="handleLogin"
        >
          <span v-if="!loading">登 录</span>
          <span v-else>登 录 中...</span>
        </el-button>
        <div style="float: right;" v-if="register">
          <router-link class="link-type" :to="'/register'">立即注册</router-link>
        </div>
      </el-form-item>
        <el-checkbox v-model="loginForm.rememberMe" style="margin:0px 0px 25px 0px;"><span style="color:#28578F">记住密码</span></el-checkbox>
    </el-form>
    <!--  底部  -->
    <div class="el-login-footer">
      <!-- <span>Copyright © 2018-2024 All Rights Reserved.</span> -->
    </div>
  </div>
  </div>
</template>

<script>
import { getCodeImg } from "@/api/login";
import Cookies from "js-cookie";
import { encrypt, decrypt } from '@/utils/jsencrypt'
import md5 from 'js-md5';
export default {
  name: "Login",
  data() {
    return {
      codeUrl: "",
      loginForm: {
        username: "123admin",
        password: "Bz123456@",
        rememberMe: false,
        captcha: "",
        vCodeId:''

      },
      loginRules: {
        username: [
          { required: true, trigger: "blur", message: "请输入您的账号" }
        ],
        password: [
          { required: true, trigger: "blur", message: "请输入您的密码" }
        ],
        captcha: [{ required: true, trigger: "change", message: "请输入验证码" }]
      },
      loading: false,
      // 验证码开关
      captchaEnabled: true,
      // 注册开关
      register: false,
      redirect: undefined,
    };
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect;
      },
      immediate: true
    }
  },
  created() {
    this.getCode();
    this.getCookie();
  },
  methods: {
    generateRandomFiveDigitNumber() {
  const randomNumber = Math.floor(Math.random() * 100000);
  const formattedNumber = String(randomNumber).padStart(5, '0');
  return formattedNumber;
},
    getCode() {  
      const num = this.generateRandomFiveDigitNumber()
      this.loginForm.vCodeId=num
    let obj = {
        "vCodeId":num
        }
      getCodeImg(obj).then(res => {
        this.captchaEnabled = res.captchaEnabled === undefined ? true : res.captchaEnabled;
        if (this.captchaEnabled) {
          this.codeUrl = 'data:image/png;base64,'+res.body.vCodeStr64
        }
      });
    },
    getCookie() {
      const username = Cookies.get("username");
      const password = Cookies.get("password");
      const rememberMe = Cookies.get('rememberMe')
      this.loginForm = {
        username: username === undefined ? this.loginForm.username : username,
        password: password === undefined ? this.loginForm.password : decrypt(password),
        rememberMe: rememberMe === undefined ? true : Boolean(rememberMe),
      };
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true;
          if (this.loginForm.rememberMe) {
            Cookies.set("username", this.loginForm.username, { expires: 30 });
            Cookies.set("password", encrypt(this.loginForm.password), { expires: 30 });
            Cookies.set('remember-me', this.loginForm.rememberMe, { expires: 30 });
          } else {
            Cookies.remove("username");
            Cookies.remove("password");
            Cookies.remove('remember-me');
          }

          const data = {
            ...this.loginForm,
              password : md5(this.loginForm.password),
        }
          this.$store.dispatch("Login", data).then(() => {
            this.$router.push({ path: this.redirect || "/" }).catch(()=>{});
          }).catch(() => {
            this.loading = false;
            if (this.captchaEnabled) {
              // this.getCode();
            }
          });
        }
      });
    }
  }
};
</script>

<style rel="stylesheet/scss" lang="scss">
.top_content{
   width:100%;
   height:50px;
   background:#14284C;
   display: flex;
}
.toplogoImg{
  width:35px;
  height:28px;
  margin: 10px 10px 0 20px;
}
.top_title{
  font-weight: bold;
font-size: 26px;
color: #FFFFFF;
line-height: 50px;
}
.login {
  display: flex;
  justify-content: center;
  align-items: center;
  height: calc(100% - 50px);
  background-image: url("../assets/images/login_bg.png");
  background-size: cover;
}
.title {
  margin: 0px auto 30px 90px;
  // text-align: center;
  color: #28578F;
  font-size: 30px;
  font-weight: 900;
}

.login-form {
  border-radius: 6px;
  background: #ffffff;
  width: 420px;
  height:370px;
  padding: 25px 25px 5px 25px;
  position: absolute;
  right: 15%;
  top: 40%;
  .el-input {
    // height: 38px;
    border: 1px solid #28578F !important;
    // border: none;
    input {
      // height: 38px;
    }
  }
  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 2px;
    color: #28578F !important;
  }
}

.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}
.login-code {
  width: 33%;
  height: 38px;
  float: right;
  img {
    cursor: pointer;
    vertical-align: middle;
  }
}
.el-login-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
}
.login-code-img {
  height: 38px;
}
.btn {
    padding: 10px 20px;
    font-size: 14px;
    border-radius: 4px;
    border-radius: 4px;
    border: 1px solid #E2E2E2;
    font-weight: 600;
    font-size: 18px;
    color: #FFFFFF;
    background: #28578F;
}
.btn:hover {
     border: 1px solid #E2E2E2;
    background: #28578F;
}
::v-deep .el-checkbox__inner{
  background: yellow !important;
}
</style>
